Binocolo Deltaoptical Voyager II 20x50 — ingrandimento 20x, lenti obiettivo 50 mm

Deltaoptical Voyager II 20x50 binoculars provide fixed 20x magnification paired with 50 mm objective lenses, designed for long-range terrestrial observation. The optical design with porro-type prism spacing delivers a clear, contrasted image suitable for birdwatching, wildlife observation and distant landscape viewing. Manual focus control allows precise sharpness adjustment, while the optical aperture supports effective daylight and reduced-light performance in a compact field-ready housing.

Advantages

The 20x magnification offers a high level of detail at long distances while 50 mm objective lenses increase light gathering compared with smaller-aperture models, improving image brightness in dusk and shadowed conditions. The porro-style optical layout enhances depth perception and image separation. Manual focus enables controlled, fine adjustments for a variety of targets, and the compact construction balances magnification with portability for field use.

Suitable for

Key specifications

How to use

Hold the binoculars with both hands and bring the eyepieces to your eyes. Set interpupillary distance by adjusting the hinge until you see a single circular field. Use the central focus control to achieve sharp focus on your target; for stationary distant subjects, make small, precise adjustments. For extended viewing at 20x magnification, stabilize the instrument using a tripod adapter or by resting on a steady surface to reduce image shake and improve comfort. Store in a protective case when not in use.

Recommendations

For best results in low-light conditions, allow eyes to adapt to ambient light and use a stable support to minimise vibration. Clean lenses with a soft lens cloth and appropriate optical cleaner to maintain image clarity. Avoid pointing the optics at bright sun to prevent damage to internal components and to protect eyesight.